公开(公告)号：US11993701B2

公开(公告)日：2024-05-28

申请号：US17752243

申请日：2022-05-24

申请人： BOREALIS AG

发明人： Markus Gahleitner ,  Jingbo Wang ,  Klaus Bernreitner ,  Peter Niedersüss ,  Friedrich Berger ,  Stefan Ortner

IPC分类号： C08L23/14 ,  B29C39/00 ,  B29C49/00 ,  C08L23/08 ,  C08L23/16 ,  C08L23/18 ,  B29K23/00

CPC分类号： C08L23/14 ,  B29C39/003 ,  B29C49/0005 ,  C08L23/08 ,  C08L23/16 ,  C08L23/18 ,  B29K2023/14 ,  B29K2023/16 ,  C08L2201/10 ,  C08L2203/162 ,  C08L2205/025 ,  C08L2314/02

摘要： New polypropylene composition which combines low sealing initiation temperature (SIT), high hot-tack, good optical properties, like low haze and its use, and improved stiffness/impact balance.

公开(公告)号：US11904580B2

公开(公告)日：2024-02-20

申请号：US17998880

申请日：2021-05-14

申请人： BOREALIS AG

发明人： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersuess ,  Stefan Ortner

IPC分类号： B32B27/32 ,  B29C48/00 ,  C08L23/12 ,  C08L23/16 ,  B32B27/08 ,  B29K23/00

CPC分类号： B32B27/327 ,  B29C48/0018 ,  B32B27/08 ,  C08L23/12 ,  C08L23/16 ,  B29C48/022 ,  B29K2023/12 ,  B29K2023/16 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/54 ,  B32B2307/558 ,  B32B2307/5825 ,  B32B2307/7376 ,  B32B2323/10 ,  B32B2439/06 ,  B32B2439/46 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2205/22 ,  C08L2205/24 ,  C08L2207/02 ,  C08L2314/02 ,  C08L2314/06

摘要： The present invention relates to a multilayer blown film including at least one skin layer (A) including a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) including a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) including either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).

公开(公告)号：US20230257567A1

公开(公告)日：2023-08-17

申请号：US18020680

申请日：2021-08-25

申请人： Borealis AG

发明人： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersuess ,  Stefan Ortner

IPC分类号： C08L23/14

CPC分类号： C08L23/14

摘要： The present invention relates to a film, preferably an unoriented film, comprising a polypropylene composition comprising a random copolymer of propylene monomer units and ethylene comonomer units, wherein the random copolymer has a content of ethylene comonomer units of from 0.5 to 4.0 wt %, based on the total weight amount of monomer units in the random copolymer, the polypropylene composition has a melt flow rate MFR2 of from 0.5 to 20.0 g/10 min, determined according to ISO 1133 at a temperature of 230° C. and a load of 2.16 kg, and the film has a tensile modulus in machine direction TM-MD in the range of from 450 to 850 MPa, when measured according to ISO 527-3 on a 50 μm monolayer cast film, a process for producing such a film and the use of such a polypropylene composition for the production of a film with an improved balance of properties of tensile modulus and protrusion impact.

公开(公告)号：US20220259339A1

公开(公告)日：2022-08-18

申请号：US17627207

申请日：2020-07-15

申请人： BOREALIS AG

发明人： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Markku Vahteri ,  Stefan Ortner

IPC分类号： C08F110/06 ,  C08F2/00 ,  C08F4/6592 ,  C08F4/659 ,  C08J5/18 ,  C08K3/36 ,  C08K5/098 ,  C08K5/20 ,  B29C48/00 ,  B29C48/40 ,  B29C48/08 ,  B29C48/10

摘要： The invention is related to film comprising a polypropylene composition showing improved coefficiency of friction as well as optical properties.

公开(公告)号：US20240270949A1

公开(公告)日：2024-08-15

申请号：US18568367

申请日：2022-06-13

申请人： Borealis AG

发明人： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersüss ,  Stefan Ortner

IPC分类号： C08L23/16 ,  C08J5/18

CPC分类号： C08L23/16 ,  C08J5/18 ,  C08J2323/16 ,  C08J2423/14 ,  C08L2203/162 ,  C08L2207/02 ,  C08L2207/10

摘要： A heterophasic propylene ethylene copolymer composition having an MFR2 of 1.0 to 5.0 g/10 min, a C2 content of 0.8 to 6.0 mol-%, and a Tm of 153.0 to 159.0° C., comprising: a) a crystalline matrix (M) being a propylene homo- or copolymer, preferably a homopolymer; and b) an amorphous propylene-ethylene elastomer (E); wherein the heterophasic propylene ethylene copolymer composition is characterized in terms of its soluble fraction (SF) and crystalline fraction (CF) as determined by CRYSTEX QC analysis: i) from 85.0 to 90.0 wt.-% of a crystalline fraction (CF) having an iV(CF) of 2.00 to 3.00 dl/g, a C2(CF) of 0.0 to 1.5 mol-%; and ii) from 10.0 to 15.0 wt.-% of a soluble fraction (SF) having an iV(SF) of 1.30 to 2.50 dl/g and a C2(SF) of 25.0 to 40.0 mol-%.

公开(公告)号：US20240101735A1

公开(公告)日：2024-03-28

申请号：US18272898

申请日：2022-01-31

申请人： Borealis AG

发明人： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersüss ,  Stefan Ortner

IPC分类号： C08F210/06 ,  C08J5/18

CPC分类号： C08F210/06 ,  C08J5/18 ,  C08J2323/14

摘要： Film made from ethylene-propylene-1-butene terpolymer and propene-butene copolymer blend and ethylene-propylene-1-butene terpolymer and propene-butene copolymer blend.

公开(公告)号：US20230382091A1

公开(公告)日：2023-11-30

申请号：US17998880

申请日：2021-05-14

申请人： BOREALIS AG

发明人： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersuess ,  Stefan Ortner

IPC分类号： B32B27/32 ,  B32B27/08 ,  B29C48/00 ,  C08L23/12 ,  C08L23/16

CPC分类号： B32B27/327 ,  B32B27/08 ,  B29C48/0018 ,  C08L23/12 ,  C08L23/16 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/5825 ,  B32B2307/54 ,  B32B2307/558 ,  B32B2307/7376 ,  B32B2323/10 ,  B32B2439/06 ,  B32B2439/46 ,  B29C48/022 ,  B29K2023/12

摘要： The present invention relates to a multilayer blown film comprising at least one skin layer (A) comprising a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) comprising a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) comprising either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).

公开(公告)号：US20230001674A1

公开(公告)日：2023-01-05

申请号：US17781069

申请日：2020-12-01

申请人： BOREALIS AG

发明人： Stefan Ortner ,  Peter Niedersuess ,  Luca Boragno ,  Markus Gahleitner

IPC分类号： B32B27/08 ,  B32B27/32 ,  B32B7/027 ,  B32B27/18 ,  C08L23/14

摘要： The present invention relates to a multilayer film comprising at least two outer layers (A) and (C) and at least one core layer (B), at least one of the outer layers (A) and/or (C) comprises component a1), whereas the other outer layer comprises component a1) or a2), whereby component a1) is a terpolymer of propylene, ethylene and one C4 to C10 α-olefin; whereby said terpolymer a1) has an ethylene content in the range of 0.1 to 8.0 wt.-% based on the total weight of the terpolymer a1); a C4 to C10 α-olefin content in the range of 0.1 to 16.0 wt.-% based on the total weight of the terpolymer a1); and a melt flow rate MFR2 measured according to ISO 1133 (230° C., 2.16 kg load) in the range of 0.5 to 12.0 g/10 min; component a2) is a polypropylene having a melting temperature of at least 150° C.; and layer (B) comprises a heterophasic propylene copolymer b), said heterophasic propylene copolymer b) comprises a matrix being a random propylene copolymer b1) and an elastomeric propylene copolymer b2) dispersed in said matrix; whereby the heterophasic propylene copolymer b) has a melt flow rate MFR2 measured according to ISO 1133 (230° C., 2.16 kg load) in the range of 0.3 to 20.0 g/10 min; a xylene cold soluble content (XCS) determined according ISO 16152 (25° C.) in the range of 16.0 to 50.0 wt.-%; and a comonomer content in the range of 11.5 to 21.0 mol-%. In addition, the present invention relates to the use of the multilayer film according to the present invention for soft packaging applications, preferably pouches for food packaging, for medical applications or for pharmaceutical applications.

公开(公告)号：US20200308385A1

公开(公告)日：2020-10-01

申请号：US16631498

申请日：2018-09-12

申请人： BOREALIS AG

发明人： Markus Gahleitner ,  Jingbo Wang ,  Klaus Bernreitner ,  Peter Niedersüss ,  Friedrich Berger ,  Stefan Ortner

IPC分类号： C08L23/14 ,  C08L23/08 ,  C08L23/18 ,  C08L23/16 ,  B29C49/00 ,  B29C39/00

摘要： New polypropylene composition which combines low sealing initiation temperature (SIT), high hot-tack, good optical properties, like low haze and its use, and improved stiffness/impact balance.

公开(公告)号：US12129371B2

公开(公告)日：2024-10-29

申请号：US18568367

申请日：2022-06-13

申请人： Borealis AG

发明人： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersüss ,  Stefan Ortner

IPC分类号： C08L23/16 ,  C08J5/18

CPC分类号： C08L23/16 ,  C08J5/18 ,  C08J2323/16 ,  C08J2423/14 ,  C08L2203/162 ,  C08L2207/02 ,  C08L2207/10

摘要： A heterophasic propylene ethylene copolymer composition having an MFR2 of 1.0 to 5.0 g/10 min, a C2 content of 0.8 to 6.0 mol-%, and a Tm of 153.0 to 159.0° C., comprising: a) a crystalline matrix (M) being a propylene homo- or copolymer, preferably a homopolymer; and b) an amorphous propylene-ethylene elastomer (E); wherein the heterophasic propylene ethylene copolymer composition is characterized in terms of its soluble fraction (SF) and crystalline fraction (CF) as determined by CRYSTEX QC analysis: i) from 85.0 to 90.0 wt.-% of a crystalline fraction (CF) having an iV(CF) of 2.00 to 3.00 dl/g, a C2(CF) of 0.0 to 1.5 mol-%; and ii) from 10.0 to 15.0 wt.-% of a soluble fraction (SF) having an iV(SF) of 1.30 to 2.50 dl/g and a C2(SF) of 25.0 to 40.0 mol-%.